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More than nine billion people on Earth 2050

The world population is expected to increase 2,6 billion over the next 45 years 6,5 billion to spend this year 9,1 2050 billion, according to a UN report released on Thursday.

Most of the increase will occur in the least developed countries, whose population will increase from 5,3 billion today to 7,8 2050 billion, while that of more developed countries will remain stable at 1,2 billion.

The report, issued by the Department of Economic and Social Affairs of the UN, contains the latest update, performed 2004, figures on the world population. The UN engages in these updated every two years.

According to the document, the population of the planet will reach the threshold of 6,5 billion in July, an increase of 380 from 2000 million people, that is to say an average annual increase of 76 million.

Despite a projection to the decline in average fertility rates -from 2,65 children per woman today to 2,05 2050- in the world population is expected to grow about 34 million people per year by mid-century.

The population is expected to double in 50 the world's least developed countries, from 0,8 billion in 2005 1,7 to billion in 2050. It should even triple in countries like Afghanistan, Burkina Faso, Burundi, the two Congo, Guinea-Bissau, Liberia, Mali, Niger, Uganda, Chad and Timor-Leste.

In contrast, the population of 51 countries or regions, such as Germany, Italy, Japan and most of the former states of the USSR, is expected to decline between 2005 and 2050.

45 in the coming years, nine countries are expected to account alone for more than half of the projected increase in world population: India, Pakistan, Nigeria, DR Congo, Bangladesh, Uganda, the United States, Ethiopia and China, listed in descending order of their contribution to the overall increase.

The global average life expectancy, which rose between 46 years 1950 and 1955 65 years in between 2000 and 2005, is expected to increase, reaching 75 years 2050. In more developed countries, it should go to 75 years 82 now for years by mid-century.

In the least developed countries on the other hand, the life expectancy, now estimated at just under 50 years, will climb to 66 years 2050. The report stresses, however, that many countries in this group are affected by the AIDS pandemic, the projected increase in life expectancy will depend on the implementation of effective programs to treat and prevent the disease.


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